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Sun S, Wang X, Cheng S, Lei Y, Sun W, Wang K, Li Z. A review of volatile fatty acids production from organic wastes: Intensification techniques and separation methods. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 360:121062. [PMID: 38735068 DOI: 10.1016/j.jenvman.2024.121062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/11/2024] [Accepted: 04/29/2024] [Indexed: 05/14/2024]
Abstract
High value-added products from organic waste fermentation have garnered increasing concern in modern society. VFAs are short-chain fatty acids, produced as intermediate products during the anaerobic fermentation of organic matter. VFAs can serve as an essential organic carbon source to produce substitutable fuels, microbial fats and oils, and synthetic biodegradable plastics et al. Extracting VFAs from the fermentation broths is a challenging task as the composition of suspensions is rather complex. In this paper, a comprehensive review of methods for VFAs production, extraction and separation are provided. Firstly, the methods to enhance VFAs production and significant operating parameters are briefly reviewed. Secondly, the evaluation and detailed discussion of various VFAs extraction and separation technologies, including membrane separation, complex extraction, and adsorption methods, are presented, highlighting their specific advantages and limitations. Finally, the challenges encountered by different separation technologies and novel approaches to enhance process performance are highlighted, providing theoretical guidance for recycling VFAs from organic wastes efficiently.
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Affiliation(s)
- Shushuang Sun
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China.
| | - Xuemei Wang
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China.
| | - Shikun Cheng
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China
| | - Yuxin Lei
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China
| | - Wenjin Sun
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China
| | - Kexin Wang
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China
| | - Zifu Li
- University of Science and Technology Beijing, School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, PR China; International Science and Technology Cooperation Base for Environmental and Energy Technology of MOST, University of Science and Technology Beijing, Beijing 100083, PR China.
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do Nascimento AGCR, de Paula AM, Busato JG, da Rocha GC, Perecmanis S, da Silva SG, Neto ART. Impact of Aspergillus fumigatus inoculation on the composting of wood shaving bedding for horses. Lett Appl Microbiol 2024; 77:ovae023. [PMID: 38409949 DOI: 10.1093/lambio/ovae023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 02/03/2024] [Accepted: 02/25/2024] [Indexed: 02/28/2024]
Abstract
Equine farming generates a significant amount of waste, prompting the need for effective management. Composting enhanced by filamentous fungi holds promise for this purpose. This study focused on inoculating Aspergillus fumigatus isolates in composting horse bedding made with wood shavings (Pinus elliottii). The experiment lasted 90 days, with two treatment groups, control and inoculated, analyzing temperature, pH, electrical conductivity, total organic carbon and nitrogen content, and cellulose, hemicellulose, and lignin contents. Both treatments entered the thermophilic phase by the fourth day, reaching temperatures above 55°C and mesophilic maturation at 35 days (41 ± 0.2°C). The inoculated treatment exhibited higher electrical conductivity after 30 days and a more pronounced reduction in the total carbon content (42.85% vs. 38.29%) compared to the control. While there was no significant nitrogen difference, the inoculated treatment had a sharper reduction in carbon/nitrogen ratio, and cellulose and hemicellulose contents. Both treatments showed low coliform counts, no Salmonella sp., and reduced Strongyloides sp. larvae. Inoculating A. fumigatus in saturated horse bedding made from wood shavings improved compost quality, providing a possibility for sustainable equine farming waste treatment.
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Affiliation(s)
| | - Alessandra Monteiro de Paula
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
| | - Jader Galba Busato
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
| | - Gino Chaves da Rocha
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
| | - Simone Perecmanis
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
| | - Sâmia Gomes da Silva
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
| | - Antônio Raphael Texeira Neto
- Faculdade de Agronomia e Medicina Veterinária, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília 70910-900, DF, Brazil
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Ridtibud S, Suwannasai N, Sawasdee A, Champreda V, Phosri C, Sarp S, Pisutpaisal N, Boonyawanich S. Screening of White-Rot Fungi Isolates for Decolorization of Pulp and Paper Mill Effluent and Assessment of Biodegradation and Biosorption Processes. Curr Microbiol 2023; 80:350. [PMID: 37735278 DOI: 10.1007/s00284-023-03464-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/31/2023] [Indexed: 09/23/2023]
Abstract
Ten white-rot fungal isolates were evaluated for the decolorization potential of pulp and paper mill effluent. Trametes elegans PP17-06, Pseudolagarobasidium sp. PP17-33, and Microporus sp.2 PP17-20 showed the highest decolorization efficiencies between 42 and 54% in 5 d. To reveal the mechanisms involved in decolorization and assess the long-term performance, PP17-06, which showed the highest decolorization efficiency, was further investigated. It could reduce the ADMI color scale by 63.6% in 10 d. However, extending the treatment period for more than 10 d did not significantly enhance the decolorization efficiencies. The maximum MnP activity of 3.27 U L-1 was observed on the 6 d during the biodegradation. In comparison, laccase activities were low with the maximum activity of 0.38 U L-1 (24 d). No significant LiP activities were monitored during the experiment. Dead fungal biomass showed an optimum decolorization efficiency of 44.18% in 8 d employing the biosorption mechanism. No significant changes in the decolorization efficiency were observed after that, suggesting the equilibrium status was reached. These results revealed that PP17-06 has the potential to decolorize pulp and paper mill effluent by employing both biodegradation and biosorption processes.
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Affiliation(s)
- Sanhathai Ridtibud
- Department of Agro-Industrial, Food, and Environment Technology, Faculty of Applied Science, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand
| | - Nuttika Suwannasai
- Department of Microbiology, Faculty of Science, Srinakharinwirot University, 114 Sukhumvit 23, Watthana, Bangkok, 10110, Thailand
| | - Apichaya Sawasdee
- Program in Innovation of Environmental Management, College of Innovative Management, Valaya Alongkorn Rajabhat University Under the Royal Patronage, Pathumthani, 13180, Thailand.
| | - Verawat Champreda
- Biorefinery Technology and Bioproducts Research Group, National Center for Genetic Engineering and Biotechnology, NSTDA, 113 Thailand Science Park, Phaholyothin Road, Khlong Luang, Pathumthani, 12120, Thailand
- BIOTEC-JGSEE Integrative Biorefinery Laboratory, Innovation Cluster 2 Building, Thailand Science Park, Phaholyothin Road, Khlong Luang, Pathumthani, 12120, Thailand
| | - Cherdchai Phosri
- Department of Biology, Faculty of Science, Nakhon Phanom University, 124 Moo 12, Ard-Samart Subdistrict, Muang District, Nakhon Phanom, 48000, Thailand
| | - Sarper Sarp
- Water Engineering and Development Centre, The John Pickford Building School of Architecture, Building and Civil Engineering, Loughborough University, Leicestershire, LE11 3TU, UK
| | - Nipon Pisutpaisal
- Department of Agro-Industrial, Food, and Environment Technology, Faculty of Applied Science, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand.
- The Biosensor and Bioelectronics Technology Centre, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand.
| | - Siriorn Boonyawanich
- Department of Agro-Industrial, Food, and Environment Technology, Faculty of Applied Science, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand
- The Biosensor and Bioelectronics Technology Centre, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand
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Wang Y, Yang X, Lin Y, Cao Y, Chi D. Studies on the degradation effect of corn straw by Asian corn borer larva ( Ostrinia furnacalis) digestive enzymes combined with white rot fungus ( Phanerochaetc chrysosporium). 3 Biotech 2023; 13:298. [PMID: 37575598 PMCID: PMC10415238 DOI: 10.1007/s13205-023-03723-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/29/2023] [Indexed: 08/15/2023] Open
Abstract
The lignin, cellulose and hemicellulose contained in corn straw need to be degraded before reuse. Therefore, it is urgent to explore a new strategy that can enhance the degradation effect of lignin, cellulose and hemicellulose. Ostrinia furnacalis is one of the corn pests feeding on corn straw, which can degrade and consume corn straw by digestive enzyme secreted in the midgut. Herein, the degradation efficiency of lignin, cellulose and hemicellulose was tested by a stain of white rot fungus combined with digestive enzyme of O. furnacalis extracted from its midgut. It was proved that the selected strain of white rot fungus could degrade lignin, cellulose and hemicellulose effectively. The contents of lignin, cellulose and hemicellulose decreased with the extension of degradation time, with the lowest level reached at 35 d with 9 ml digestive enzyme solution of O. furnacalis added. Compared with the control group, digestive enzyme of O. furnacalis could improve the degradation effect of the selected white rot fungi on lignin, cellulose and hemicellulose. The effect of degradation was enhanced with the extension of degradation time and the increase in the amount of digestive enzyme added. The results provide a new strategy and a basis for strengthening the degradation effect of white rot fungi on corn straw.
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Affiliation(s)
- Yanchen Wang
- Jilin Provincial Key Laboratory of Straw-Based Functional Materials, Institute for Interdisciplinary Biomass Functional Materials Studies, Jilin Engineering Normal University, Changchun, 130052 People’s Republic of China
| | - Xiaodong Yang
- Jilin Provincial Key Laboratory of Straw-Based Functional Materials, Institute for Interdisciplinary Biomass Functional Materials Studies, Jilin Engineering Normal University, Changchun, 130052 People’s Republic of China
| | - Yanping Lin
- Jilin Provincial Key Laboratory of Straw-Based Functional Materials, Institute for Interdisciplinary Biomass Functional Materials Studies, Jilin Engineering Normal University, Changchun, 130052 People’s Republic of China
| | - Yue Cao
- Jilin Provincial Key Laboratory of Straw-Based Functional Materials, Institute for Interdisciplinary Biomass Functional Materials Studies, Jilin Engineering Normal University, Changchun, 130052 People’s Republic of China
| | - Defu Chi
- School of Forest, Northeast Forestry University, No.26, Hexing Road, Harbin, 150040 People’s Republic of China
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Yang ZY, Wang XJ, Cao Y, Dong QE, Tong JY, Mo MH. Vermicomposting of Pleurotus eryngii spent mushroom substrates and the possible mechanisms of vermicompost suppressing nematode disease caused by Meloidogyne incognita. Heliyon 2023; 9:e15111. [PMID: 37095925 PMCID: PMC10121783 DOI: 10.1016/j.heliyon.2023.e15111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
The mushroom industry produces a large amount of spent mushroom substrate (SMS), which requires a large geographical footprint and causes pollution. Vermicomposting is a low-cost technology for its value in recycling of organic wastes and production of beneficial organic fertilizers. In this study, the changes of physicochemical properties was characterized during vermicomposting of Pleurotus eryngii SMS with cow dung (CD) as amendment. The efficiency and possible mechanisms of vermicompost suppressing disease induced by Meloidogyne incognita was also investigated. Six combinations with different ratios of SMS and cow dung (CD) was included in the vermicomposting using Eisenia fetida. Effect of vermicompost against disease induced by M. incognita on tobacco was conducted under greenhouse condition. And the possible mechanisms of vermicompost suppressing M. incognita was investigated by evaluated the species diversity of nematode-trapping fungi (NTF) in soil, and the defense response enzymes in tobacco. The combination of 65% SMS +35% CD was more suitable for vermicomposting, in which the highest vermicompost production (57%) and earthworm biomass increment (268%) were achieved. Additionally, the reduction in pH, total organic carbon, carbon: nitrogen ratio, and the pronounced elevation in four overall nutrient status were also observed. Soil amended with vermicompost (100:1 w/w) showed 61% control efficiency against nematode disease caused by M. incognita on tobacco, which significantly higher than that of the normal compost (24%). Comparing to the normal compost, the potential mechanism of vermicompost suppressing M. incognita could be rely on promoting species diversity of NTF in soil and enhancing the activities of the defense response enzymes in tobacco plant. Our findings indicate that vermicomposting is a promising technology for recycling of P. eryngii SMS, and the resulting vermicompost as organic fertilizer can be sued for management of the diseases caused by root-knot nematodes. This study establish a sustainable avenue for P. eryngii SMS disposal and a practical manner for controlling pathogens.
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Yang G, Xu C, Varjani S, Zhou Y, Wc Wong J, Duan G. Metagenomic insights into improving mechanisms of Fe 0 nanoparticles on volatile fatty acids production from potato peel waste anaerobic fermentation. BIORESOURCE TECHNOLOGY 2022; 361:127703. [PMID: 35907599 DOI: 10.1016/j.biortech.2022.127703] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
The management of potato peel waste (PPW) has been a challenge faced by the potato industry. This investigation assessed the feasibility of PPW for volatile fatty acids (VFAs) production via anaerobic fermentation, and investigated the impact of Fe0 nanoparticles (Fe0 NPs) supplementation on the VFAs production. It is found that PPW is a potential feedstock for producing VFAs, achieving a yield of 480.4 mg COD/g-vS Meanwhile, the supplementation of Fe0 NPs significantly promoted the VFAs productivity and quality. The higher enrichment of VFAs-producing bacteria, including Clostridium, Proteiniphilum, Fonticella and Pygmaiobacter, contributed to the promotion of the VFAs yield. Furthermore, metagenomic analysis revealed that the encoding genes responsible for carbohydrate metabolism (especially starch), membrane transport, glycolysis and the formation of acetic and butyric acids were remarkably up-regulated,which could be the essential reason for the enhanced metabolic activity and VFAs productivity. This work provides a promising strategy for recycling PPW.
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Affiliation(s)
- Guang Yang
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Chonglin Xu
- College of Resources and Environment, Key Laboratory of Agricultural Environment, Shandong Agricultural University, Tai'an 271018, China
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar-382 010, Gujarat, India
| | - Yaoyu Zhou
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Jonathan Wc Wong
- Sino-Forest Applied Research Centre for Pearl River Delta Environment, Department of Biology, Hong Kong Baptist University, China
| | - Guilan Duan
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Pereira J, Cachinho A, de Melo MMR, Silva CM, Lemos PC, Xavier AMRB, Serafim LS. Enzymatic Potential of Filamentous Fungi as a Biological Pretreatment for Acidogenic Fermentation of Coffee Waste. Biomolecules 2022; 12:biom12091284. [PMID: 36139123 PMCID: PMC9496503 DOI: 10.3390/biom12091284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 12/01/2022] Open
Abstract
Spent coffee grounds (SCGs) are a promising substrate that can be valorized by biotechnological processes, such as for short-chain organic acid (SCOA) production, but their complex structure implies the application of a pretreatment step to increase their biodegradability. Physicochemical pretreatments are widely studied but have multiple drawbacks. An alternative is the application of biological pretreatments that include using fungi Trametes versicolor and Paecilomyces variotii that naturally can degrade complex substrates such as SCGs. This study intended to compare acidic and basic hydrolysis and supercritical CO2 extraction with the application of these fungi. The highest concentration of SCOAs, 2.52 gCOD/L, was achieved after the acidification of SCGs pretreated with acid hydrolysis, but a very similar result, 2.44 gCOD/L, was obtained after submerged fermentation of SCGs by T. versicolor. This pretreatment also resulted in the best acidification degree, 48%, a very promising result compared to the 13% obtained with the control, untreated SCGs, highlighting the potential of biological pretreatments.
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Affiliation(s)
- Joana Pereira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Cachinho
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Marcelo M. R. de Melo
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Carlos M. Silva
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Paulo C. Lemos
- LAQV-REQUIMTE, Faculty of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - Ana M. R. B. Xavier
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Luísa S. Serafim
- Department of Chemistry, CICECO-Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal
- Correspondence:
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Intensification of Acidogenic Fermentation for the Production of Biohydrogen and Volatile Fatty Acids—A Perspective. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8070325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Utilising ‘wastes’ as ‘resources’ is key to a circular economy. While there are multiple routes to waste valorisation, anaerobic digestion (AD)—a biochemical means to breakdown organic wastes in the absence of oxygen—is favoured due to its capacity to handle a variety of feedstocks. Traditional AD focuses on the production of biogas and fertiliser as products; however, such low-value products combined with longer residence times and slow kinetics have paved the way to explore alternative product platforms. The intermediate steps in conventional AD—acidogenesis and acetogenesis—have the capability to produce biohydrogen and volatile fatty acids (VFA) which are gaining increased attention due to the higher energy density (than biogas) and higher market value, respectively. This review hence focusses specifically on the production of biohydrogen and VFAs from organic wastes. With the revived interest in these products, a critical analysis of recent literature is needed to establish the current status. Therefore, intensification strategies in this area involving three main streams: substrate pre-treatment, digestion parameters and product recovery are discussed in detail based on literature reported in the last decade. The techno-economic aspects and future pointers are clearly highlighted to drive research forward in relevant areas.
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Chen S, Han Y, Chen C, Liu H, Zou H. Bio‐based epoxy modified with
nano‐SiO
2
and organosilicon for controlled‐release urea. J Appl Polym Sci 2022. [DOI: 10.1002/app.51810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Songling Chen
- College of Land and Environment Shenyang Agricultural University Shenyang Liaoning China
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Shenyang Liaoning China
- Key Laboratory of Arable Land Conservation (Northeast China) Ministry of Agriculture and Rural Affairs Shenyang Liaoning China
| | - Yanyu Han
- College of Land and Environment Shenyang Agricultural University Shenyang Liaoning China
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Shenyang Liaoning China
- Key Laboratory of Arable Land Conservation (Northeast China) Ministry of Agriculture and Rural Affairs Shenyang Liaoning China
| | - Chunyu Chen
- College of Land and Environment Shenyang Agricultural University Shenyang Liaoning China
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Shenyang Liaoning China
- Key Laboratory of Arable Land Conservation (Northeast China) Ministry of Agriculture and Rural Affairs Shenyang Liaoning China
| | - Hongdou Liu
- College of Land and Environment Shenyang Agricultural University Shenyang Liaoning China
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Shenyang Liaoning China
- Key Laboratory of Arable Land Conservation (Northeast China) Ministry of Agriculture and Rural Affairs Shenyang Liaoning China
| | - Hongtao Zou
- College of Land and Environment Shenyang Agricultural University Shenyang Liaoning China
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Shenyang Liaoning China
- Key Laboratory of Arable Land Conservation (Northeast China) Ministry of Agriculture and Rural Affairs Shenyang Liaoning China
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Wu D, Qu F, Li D, Zhao Y, Li X, Niu S, Zhao M, Qi H, Wei Z, Song C. Effect of Fenton pretreatment and bacterial inoculation on cellulose-degrading genes and fungal communities during rice straw composting. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:151376. [PMID: 34740666 DOI: 10.1016/j.scitotenv.2021.151376] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/21/2021] [Accepted: 10/29/2021] [Indexed: 05/26/2023]
Abstract
The aims of this article were to study the effect of Fenton pretreatment and bacterial inoculation on cellulose-degrading genes and fungal communities during rice straw composting. The rice straw was pretreated by Fenton reactions and functional bacterial agents were then inoculated during the cooling phase of composting. Three treatment groups were carried out, the control (CK), Fenton pretreatment (FeW) and Fenton pretreatment and bacterial inoculation (FeWI). The results indicated that Fenton pretreatment and bacterial inoculation changed the fungal communities composition and increased fungal diversity, leading to changes in the cellulose-degrading genes. In addition, a network analysis showed that in the FeWI treatment, the fungi from modules 1, 5 and 8 were core hosts of the cellulose-degrading genes driving the cellulosic degradation. Moreover, Fenton pretreatment and bacterial inoculation changed the core module fungal communities and strengthened the correlation between the core fungi and the cellulose-degrading genes, thereby promoting cellulosic degradation. Based on redundancy and structural equation model analyses, the NH4+-N, TOC, pH and Shannon index were important factors influencing the variations in the cellulose-degrading genes. This study provides a foundation for cellulosic degradation during cellulosic waste composting.
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Affiliation(s)
- Di Wu
- College of Life Sciences and Technology, Harbin Normal University, Harbin 150025, China; College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Fengting Qu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Dan Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Yue Zhao
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiang Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Sijie Niu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Maoyuan Zhao
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Haishi Qi
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Zimin Wei
- College of Life Sciences and Technology, Harbin Normal University, Harbin 150025, China; College of Life Science, Northeast Agricultural University, Harbin 150030, China.
| | - Caihong Song
- College of Life Science, Liaocheng University, Liaocheng 252000, China
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Basinas P, Rusín J, Chamrádová K, Malachová K, Rybková Z, Novotný Č. Fungal pretreatment parameters for improving methane generation from anaerobic digestion of corn silage. BIORESOURCE TECHNOLOGY 2022; 345:126526. [PMID: 34896537 DOI: 10.1016/j.biortech.2021.126526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/30/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
Corn silage was treated by white rot fungi (WRF) to investigate the effect of pretreatment on material's ability to produce methane in anaerobic digestion (AD). The selective fungi Pleurotus ostreatus and Dichomitus squalens promoted biogas generation, whereas the non-selective Trametes versicolor and Irpex lacteus had negative effect. Cumulative methane production after 10-day pretreatment with P. ostreatus at 28 °C rose 1.55-fold. The longer pretreatments of 30 and 60-days had smaller effect. When the pretreatment with P. ostreatus was carried out at 40 °C a high H2S release affected the AD process. Effect of WRF action dependent on the type of corn silage. With typical corn silage, the lignin depolymerisation raised the methane generation from 0.301 to 0.465 m3kgVS-1. In contrast, extensive decomposition of hemicellulose in hybrid corn silage deteriorated the effect of pretreatment on methane production.
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Affiliation(s)
- Panagiotis Basinas
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic
| | - Jiří Rusín
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic
| | - Kateřina Chamrádová
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic.
| | - Kateřina Malachová
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic; Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00, Ostrava, Czech Republic
| | - Zuzana Rybková
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic; Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00, Ostrava, Czech Republic
| | - Čeněk Novotný
- Institute of Environmental Technology, CEET, VSB-Technical University of Ostrava, 17. Listopadu 15/2172, Ostrava - Poruba 708 00, Czech Republic; Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20, Prague 4, Czech Republic
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12
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Min K, Kim YH, Kim J, Kim Y, Gong G, Um Y. Effect of manganese peroxidase on the decomposition of cellulosic components: Direct cellulolytic activity and synergistic effect with cellulase. BIORESOURCE TECHNOLOGY 2022; 343:126138. [PMID: 34678456 DOI: 10.1016/j.biortech.2021.126138] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/09/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Herein, it was unearthed that manganese peroxidase (MnP) from Phanerochaete chrysosporium, a lignin-degrading enzyme, is capable of not only directly decomposing cellulosic components but also boosting cellulase activity. MnP decomposes various cellulosic substrates (carboxymethyl cellulose, cellobiose [CMC], and Avicel®) and produces reducing sugars rather than oxidized sugars such as lactone and ketoaldolase. MnP with MnII in acetate buffer evolves the MnIII-acetate complex functioning as a strong oxidant, and the non-specificity of MnIII-acetate enables cellulose-decomposition. The catalytic mechanism was proposed by analyzing catalytic products derived from MnP-treated cellopentaose. Notably, MnP also boosts cellulase activity on CMC and Avicel®, even considering the cellulolytic activity of MnP itself. To the best of the authors' knowledge, this is the first report demonstrating a previously unknown fungal MnP activity in cellulose-decomposition in addition to a known delignification activity. Consequently, the results provide a promising insight for further investigation of the versatility of lignin-degrading biocatalysts.
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Affiliation(s)
- Kyoungseon Min
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Yong Hwan Kim
- Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Jiye Kim
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Yunje Kim
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Gyeongtaek Gong
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Youngsoon Um
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Clean Energy and Chemical Engineering, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
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13
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Chen Y, Zhang X, Chen Y. Propionic acid-rich fermentation (PARF) production from organic wastes: A review. BIORESOURCE TECHNOLOGY 2021; 339:125569. [PMID: 34303105 DOI: 10.1016/j.biortech.2021.125569] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/09/2021] [Accepted: 07/11/2021] [Indexed: 06/13/2023]
Abstract
Nowadays, increasing attention has been drawn to biological valorization of organic wastes. Wherein, propionic acid-rich fermentation (PARF) has become a focal point of research. The objective of this review is to make a thorough investigation on the potential of PARF production and give future outlook. By discussing the key factors affecting PARF including substrate types, pH, temperature, retention time, etc., and various improving methods to enhance PARF including different pretreatments, inoculation optimization and immobilization, a comprehensive summary on how to achieve PARF from organic waste is presented. Then, current application of PARF liquid is concluded, which is found to play an essential role in the efficient denitrification and phosphorus removal of wastewater and preparation of microbial lipids. Finally, the environmental performance of PARF production is reviewed through life cycle assessment studies, and environmentally sensitive sectors are summarized for process optimization, providing a reference for waste management in low carbon scenarios.
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Affiliation(s)
- Yuexi Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Xuemeng Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
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14
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Louzada Dos Santos T, Huertas Tavares OC, de Abreu Lopes S, Elias SS, Louro Berbara RL, García AC. Environmental implications of the organic matter structure for white-rot fungus Pleurotus eryngii growth in a tropical climate. Fungal Biol 2021; 125:845-859. [PMID: 34649671 DOI: 10.1016/j.funbio.2021.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 10/21/2022]
Abstract
White-rot fungi (Pleurotus eryngii) are decomposers of lignocellulosic substrates. The relationship between the structure of humified organic matter and P. eryngii growth, is poorly understood. This study aimed to evaluate the relationship between the growth and development of white-rot fungi (P. eryngii) in two structurally different sources of humified organic matter. Fungus growth and development (mycelium diameter, fresh and dry mycelium mass, mycelium density, and biological yield) were evaluated in experiments with the application of humic substances (HS) extracted from vermicompost (VC) and peat. Both HS were characterized by CP/MAS 13C NMR spectroscopy associated with chemometrics analysis. The HS present different structural characteristics, with those extracted from VC having a predominance of functionalized C-aliphatics (carbohydrates), low hydrophobicity, and a 90% proportion of cellulose/hemicellulose carbon in the composition. HS extracted from peat have a predominance of C-aromatics (lignin fragments), higher hydrophobicity, and a proportion of lignin carbon of up to 80%. The results showed that P. eryngii growth is dependent on the C-cellulosic and C-lignin balance. HS extracted from lignin-rich peat regulates the fungus growth at initial times and sometimes inhibits the biological performance. The highly cellulosic HS from VC regulate the fungus growth at later times and its biological performance.
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Affiliation(s)
- Thainá Louzada Dos Santos
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Orlando Carlos Huertas Tavares
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Samuel de Abreu Lopes
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Sael Sánchez Elias
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Ricardo Luiz Louro Berbara
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Andrés Calderín García
- Laboratory of Soil Biological Chemistry, Department of Soils, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil.
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15
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Sun J, Song J, Fang W, Cao H. Enhanced nitrogen removal upon the addition of volatile fatty acids from activated sludge by combining calcium peroxide and low-thermal pretreatments. J Environ Sci (China) 2021; 108:145-151. [PMID: 34465428 DOI: 10.1016/j.jes.2021.01.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 01/07/2021] [Accepted: 01/20/2021] [Indexed: 06/13/2023]
Abstract
This study investigated a combined low-thermal and CaO2 pretreatment to enhance the volatile fatty acid (VFA) production from waste activated sludge (WAS). The fermentative product was added to a sequencing batch reactor (SBR) as an external carbon source to enhance nitrogen removal. The results showed that the combined pretreatment improved WAS solubilization, releasing more biodegradable substrates, such as proteins and polysaccharides, from TB-EPS to LB-EPS and S-EPS. The maximum VFA production of 3529 ± 188 mg COD/L was obtained in the combined pretreatment (0.2 g CaO2/g VS + 70 °C for 60 min), which was 2.1 and 1.4-fold of that obtained from the sole low-thermal pretreatment and the control test, respectively. Consequently, when the fermentative liquid was added as an external denitrification carbon source, the effluent total nitrogen decreased to Class A of the discharge standard for pollutants in rural wastewater treatment plants in most areas of China.
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Affiliation(s)
- Jiajun Sun
- Beijing Engineering Research Center of Process Pollution Control, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China; China Xiong'an Group Ecological Construction Investment Co. Ltd., Baoding 071700, China
| | - Junxue Song
- School of Chemistry and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China
| | - Wei Fang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Hongbin Cao
- Beijing Engineering Research Center of Process Pollution Control, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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16
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Chaitanoo N, Aggarangsi P, Nitayavardhana S. Improvement of solid-state anaerobic digestion of broiler farm-derived waste via fungal pretreatment. BIORESOURCE TECHNOLOGY 2021; 332:125146. [PMID: 33857868 DOI: 10.1016/j.biortech.2021.125146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/30/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
Fungus, Trichoderma longibrachiatum, was used for the pretreatment of broiler farm derived-lignocellulosic bedding material (rice husk) to enhance the subsequent solid-state anaerobic digestion (SS-AD). Fungal pretreatment efficacy was evaluated through a series of batch studies with respect to carbon-to-nitrogen (C/N) ratio and pretreatment time. Lignocellulosic outer layer structure disruption of the rice husk was prominent under the best fungal pretreatment condition evaluated (C/N ratio of 18.9 and pretreatment time of 7 days). Consequently, the resulting methane yield of 438.1 ± 20.0 NmL/gVSadded was obtained which was ~2.0-folds higher than that of the control (without pretreatment). Furthermore, in semi-continuous SS-AD, fungal pretreatment could significantly enhance digestibility of organic substance in high solid loading (30% total solids) AD process by 3.2-folds and improve microbial kinetic parameters with subsequent daily methane yield improvement by 2.4-folds. Thus, fungal pretreatment could be an environmentally-friendly and effective low-cost approach for broiler farm-derived waste management to enhance SS-AD efficacy.
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Affiliation(s)
- Ninlawan Chaitanoo
- Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Pruk Aggarangsi
- Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand; Energy Research and Development Institute - Nakornping, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Saoharit Nitayavardhana
- Energy Research and Development Institute - Nakornping, Chiang Mai University, Chiang Mai 50200, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand; Research Program in Control of Hazardous Contaminants in Raw Water Resources for Water Scarcity Resilience, Center of Excellence on Hazardous Substance Management (HSM), Bangkok 10330, Thailand; Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand.
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17
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Liang J, Zhang H, Zhang P, Zhang G, Cai Y, Wang Q, Zhou Z, Ding Y, Zubair M. Effect of substrate load on anaerobic fermentation of rice straw with rumen liquid as inoculum: Hydrolysis and acidogenesis efficiency, enzymatic activities and rumen bacterial community structure. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 124:235-243. [PMID: 33636425 DOI: 10.1016/j.wasman.2021.02.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/20/2021] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
Rumen liquid is excellent to effectively degrade lignocellulose. In this study, the suitable rice straw load during anaerobic fermentation of rice straw with rumen liquid as inoculum was explored to improve volatile fatty acid (VFA) production. At 10.0% rice straw load, the highest VFA concentration reached 10821.4 mg/L, and acetic acid and propionic acid were the main components. In 10.0% rice straw load system, high concentration of soluble chemical oxygen demand (SCOD) was also observed, and the enzymatic activities at 48 h were higher than those at other rice straw loads. At 10.0% rice straw load, lower diversity and richness of rumen bacteria were found than those at other rice straw loads. Bacteroides, Prevotella, and Ruminococcus were the main rumen bacteria during rice straw degradation, and the rumen bacteria might secret effective lignocellulolytic enzymes to enhance the hydrolysis and acidogenesis of rice straw. The determination of suitable rice straw load will be beneficial to the application of rumen liquid as inoculum in actual production.
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Affiliation(s)
- Jinsong Liang
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
| | - Haibo Zhang
- College of Urban and Rural Construction, Shanxi Agricultural University, Taigu 030801, China
| | - Panyue Zhang
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China.
| | - Guangming Zhang
- School of Energy & Environmental Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Yajing Cai
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
| | - Qingyan Wang
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
| | - Zeyan Zhou
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
| | - Yiran Ding
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
| | - Muhammad Zubair
- College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
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18
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Sheng Y, Lam SS, Wu Y, Ge S, Wu J, Cai L, Huang Z, Le QV, Sonne C, Xia C. Enzymatic conversion of pretreated lignocellulosic biomass: A review on influence of structural changes of lignin. BIORESOURCE TECHNOLOGY 2021; 324:124631. [PMID: 33454445 DOI: 10.1016/j.biortech.2020.124631] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/23/2020] [Accepted: 12/24/2020] [Indexed: 05/09/2023]
Abstract
The demands of energy sustainability drive efforts to bio-chemical conversion of biomass into biofuels through pretreatment, enzymatic hydrolysis, and microbial fermentation. Pretreatment leads to significant structural changes of the complex lignin polymer that affect yield and productivity of the enzymatic conversion of lignocellulosic biomass. Structural changes of lignin after pretreatment include functional groups, inter unit linkages and compositions. These changes influence non-productive adsorption of enzyme on lignin through hydrophobic interaction and electrostatic interaction as well as hydrogen bonding. This paper reviews the relationships between structural changes of lignin and enzymatic hydrolysis of pretreated lignocellulosic biomass. The formation of pseudo-lignin during dilute acid pretreatment is revealed, and their negative effect on enzymatic hydrolysis is discussed.
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Affiliation(s)
- Yequan Sheng
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Su Shiung Lam
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Yingji Wu
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Shengbo Ge
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Jinglei Wu
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, China
| | - Liping Cai
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Department of Mechanical Engineering, University of North Texas, Denton, TX 76207, USA
| | - Zhenhua Huang
- Department of Mechanical Engineering, University of North Texas, Denton, TX 76207, USA
| | - Quyet Van Le
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam
| | - Christian Sonne
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Changlei Xia
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark.
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19
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Chysirichote T, Mapisansup W, Aroonsong S. Estimation of glucosamine in biomass of Trichoderma reesei cultivated on lignocellulosic substrates. J Basic Microbiol 2021; 61:305-314. [PMID: 33605476 DOI: 10.1002/jobm.202000609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/29/2021] [Accepted: 02/02/2021] [Indexed: 11/09/2022]
Abstract
Effects of the compositions of lignocellulosic substrate including hemicellulose, cellulose, lignin, and protein on the glucosamine content in biomass of Trichoderma reesei TISTR3080 were studied. A synthetic solid surface media containing different ratios of xylan (hemicellulose), carboxymethyl cellulose (cellulose), lignin, and various concentrations of yeast extract (source of protein) were used to cultivated T. reesei. Regression analysis identified significant individual and interaction factors that affected glucosamine quantity in T. reesei biomass. A regression model was developed to estimate the glucosamine content in biomass of T. reesei from the compositions of the lignocellulosic substrate. An acceptable error (not more than 10%) of the regression model was obtained from validation with the experimental results of glucosamine content in biomass of T. reesei cultivated on lignocellulosic solid surface media made from copra waste and banana peel.
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Affiliation(s)
- Teerin Chysirichote
- Department of Food Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Waraporn Mapisansup
- Department of Food Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Soysrung Aroonsong
- Department of Food Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
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20
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Kainthola J, Podder A, Fechner M, Goel R. An overview of fungal pretreatment processes for anaerobic digestion: Applications, bottlenecks and future needs. BIORESOURCE TECHNOLOGY 2021; 321:124397. [PMID: 33249324 DOI: 10.1016/j.biortech.2020.124397] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 11/01/2020] [Accepted: 11/06/2020] [Indexed: 06/12/2023]
Abstract
Lignin modifying or extracellular enzymes secreted by the white rot fungi have the ability of degrading wide range of lignocellulosic substrates and organic pollutants. Lignocellulosic biomass, despite being a renewable source of energy, is difficult to hydrolyse (hydrolysis being rate-limiting stage in anaerobic digestion process). Various pre-treatment techniques like physical, chemical, thermo-chemical and biological to enhance the accessibility of microbes to carbohydrates have been studied. Recently, usage of white- rot fungi in a biological pre-treatment technique have received renewed interest due to its low cost and eco-friendly nature. This review deals with: a) lignocellulosic biomass recalcitrance, b) various pre-treatment techniques and its economic feasibility, c) delignification and hydrolysis mechanism using white-rot fungi, d) factors controlling white-rot fungi pre- treatment process, and e) improvement in methane production through solid-state anaerobic digestion of white-rot fungi pre-treated lignocellulosic biomass. Finally a future perspective is also included.
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Affiliation(s)
- Jyoti Kainthola
- Department of Civil Engineering, National Institute of Technology Raipur, Raipur 492010, Chhattisgarh, India
| | - Aditi Podder
- Civil & Environmental Engineering, University of Utah, Salt Lake City, UT 84112, United States
| | - Marcus Fechner
- Civil & Environmental Engineering, University of Utah, Salt Lake City, UT 84112, United States
| | - Ramesh Goel
- Civil & Environmental Engineering, University of Utah, Salt Lake City, UT 84112, United States.
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21
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Yadav M, Vivekanand V. Combined fungal and bacterial pretreatment of wheat and pearl millet straw for biogas production - A study from batch to continuous stirred tank reactors. BIORESOURCE TECHNOLOGY 2021; 321:124523. [PMID: 33326923 DOI: 10.1016/j.biortech.2020.124523] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/04/2020] [Accepted: 12/05/2020] [Indexed: 06/12/2023]
Abstract
In present study, chitinolytic bacteria were employed to bioaugment the biogas production from fungal pretreated agricultural residues. The fungal pretreatment of wheat and pearl millet straw was done by Chaetomium globosporum. Pretreated straw were digested anaerobically at batch scale with and without the presence of chitinolytic bacteria. Contrary to untreated samples, the addition of chitionolytic bacteria with pretreated wheat and pearl millet straw provided 41 and 57% higher biogas yield. The study was further upscaled to continuous stirred tank reactors. At continuous scale too, wheat straw pretreated with Chaetomium globosporum combined with chitinolytic bacteria resulted in 16% higher biogas yield in contrast to untreated straw. Higher abundance of methanogens was detected in reactors running with pretreated wheat straw during microbial community analysis. The identified bacteria belonged mostly to Firmicutes, Bacteroidetes, Proteobacteria phyla.
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Affiliation(s)
- Monika Yadav
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, Rajasthan 302017, India
| | - Vivekanand Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, Rajasthan 302017, India.
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22
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Microorganisms and Enzymes Used in the Biological Pretreatment of the Substrate to Enhance Biogas Production: A Review. SUSTAINABILITY 2020. [DOI: 10.3390/su12177205] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The pretreatment of lignocellulosic biomass (LC biomass) prior to the anaerobic digestion (AD) process is a mandatory step to improve feedstock biodegradability and biogas production. An important potential is provided by lignocellulosic materials since lignocellulose represents a major source for biogas production, thus contributing to the environmental sustainability. The main limitation of LC biomass for use is its resistant structure. Lately, biological pretreatment (BP) gained popularity because they are eco-friendly methods that do not require chemical or energy input. A large number of bacteria and fungi possess great ability to convert high molecular weight compounds from the substrate into lower mass compounds due to the synthesis of microbial extracellular enzymes. Microbial strains isolated from various sources are used singly or in combination to break down the recalcitrant polymeric structures and thus increase biogasgeneration. Enzymatic treatment of LC biomass depends mainly on enzymes like hemicellulases and cellulases generated by microorganisms. The articles main purpose is to provide an overview regarding the enzymatic/biological pretreatment as one of the most potent techniques for enhancing biogas production.
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23
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Ren H, Sun W, Wang Z, Fu S, Zheng Y, Song B, Li Z, Peng Z. Enhancing the Enzymatic Saccharification of Grain Stillage by Combining Microwave-Assisted Hydrothermal Irradiation and Fungal Pretreatment. ACS OMEGA 2020; 5:12603-12614. [PMID: 32548444 PMCID: PMC7288354 DOI: 10.1021/acsomega.9b03681] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 05/14/2020] [Indexed: 06/01/2023]
Abstract
Grain stillage from the liquor industry was pretreated by using microwave-assisted hydrothermal pretreatment, fungal pretreatments, and their combination to enable efficient enzymatic hydrolysis for sugar production. The microwave-assisted hydrothermal (MH) pretreatment was optimized by using a response surface methodology, and the respective maximum reducing sugar yield and saccharification efficiency of 17.59 g/100 g and 33.85%, respectively, were achieved under the pretreatment conditions of microwave power = 120 W, solid-to-liquid ratio = 1:15 (g·mL-1), and time = 3.5 min. The fungal pretreatment with Phanerochaete chrysosporium digestion (PC) achieved the maximum ligninolytic enzyme activities in 6 days with 10% inoculum size at which the reducing sugar yield and saccharification efficiency reached 19.74 g/100 g and 36.29%, respectively. To further improve the pretreatment efficiency, MH and PC pretreatments were combined, but the sequence of MH and PC mattered on the saccharification efficiency. The MH + PC pretreatment (the MH prior to the PC) was better than PC + MH (the PC prior to the MH) in terms of saccharification efficiency. Overall, the MH + PC pretreatment achieved superior reducing sugar yield and saccharification efficiency (25.51 g/100 g and 66.28%, respectively) over all other studied pretreatment methods. The variations of chemical compositions and structure features of the raw and pretreated grain stillage were characterized by using scanning electron microscopy and Fourier transform infrared spectroscopy. The results reveal that both MH and PC pretreatments mainly functioned on delignification and decreasing cellulose crystallinity, thus enhancing the enzymatic saccharification of the pretreated grain stillage. The combined MH and PC pretreatment could be a promising method to enable cost-efficient grain stillage utilization for downstream applications such as biofuels.
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Affiliation(s)
- Haiwei Ren
- School
of Life Science and Engineering, Lanzhou
University of Technology/ Key Laboratory of Complementary Energy System
of Biomass and Solar Energy, Lanzhou, Gansu Province 730050, P.R. China
| | - Wenli Sun
- School
of Life Science and Engineering, Lanzhou
University of Technology/ Key Laboratory of Complementary Energy System
of Biomass and Solar Energy, Lanzhou, Gansu Province 730050, P.R. China
| | - Zhiye Wang
- Institute
of Biology, Gansu Academy of Sciences, Lanzhou, Gansu Province 73000, P.R. China
| | - Shanfei Fu
- School
of Environment and Civil Engineering, Jiangnan
University, Wuxi, Jiangsu Province 214122, P.R. China
| | - Yi Zheng
- Department
of Grain Science and Industry, Kansas State
University, 101C BIVAP, 1980 Kimball Avenue, Manhattan, Kansas 66506, United States
| | - Bing Song
- Scion, 49 Sala Street,
Private Bag 3020, Rotorua 3046, New Zealand
| | - Zhizhong Li
- School
of Life Science and Engineering, Lanzhou
University of Technology/ Key Laboratory of Complementary Energy System
of Biomass and Solar Energy, Lanzhou, Gansu Province 730050, P.R. China
| | - Zhangpu Peng
- Institute
of Biology, Gansu Academy of Sciences, Lanzhou, Gansu Province 73000, P.R. China
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